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| ### Build Linux Kernel | ||
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| There are two ways | ||
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| 1. run scripts/build-linux-kernel-5.4.47.sh (easy) | ||
| 2. run this chapter step-by-step (annoying) | ||
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| #### Download Linux Kernel Source | ||
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| ##### Clone from linux-stable.git | ||
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| ```console | ||
| shell$ git clone --depth 1 -b v5.4.47 git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git linux-5.4.47-armv7-fpga | ||
| ``` | ||
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| ##### Checkout v5.4.47 | ||
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| ```console | ||
| shell$ cd linux-5.4.47-armv7-fpga | ||
| shell$ git checkout -b linux-5.4.47-armv7-fpga refs/tags/v5.4.47 | ||
| ``` | ||
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| #### Patch for armv7-fpga | ||
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| ##### Patch for armv7-fpga | ||
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| ```console | ||
| shell$ patch -p1 < ../files/linux-5.4.47-armv7-fpga.diff | ||
| shell$ git add --update | ||
| shell$ git add arch/arm/configs/armv7_fpga_defconfig | ||
| shell$ git add arch/arm/boot/dts/zynq-pynqz1.dts | ||
| shell$ git commit -m "patch for armv7-fpga" | ||
| ``` | ||
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| ##### Patch for usb chipidea driver | ||
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| ```console | ||
| shell$ patch -p1 < ../files/linux-5.4.47-armv7-fpga-patch-usb-chipidea.diff | ||
| shell$ git add --update | ||
| shell$ git commit -m "patch for usb chipidea driver for issue #3" | ||
| ``` | ||
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| ##### Patch for build debian package script | ||
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| ```console | ||
| shell$ patch -p1 < ../files/linux-5.4.47-armv7-fpga-patch-builddeb.diff | ||
| shell$ git add --update | ||
| shell$ git commit -m "patch for scripts/package/builddeb to add tools/include and postinst script to header package" | ||
| ``` | ||
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| ##### Patch for drivers/drivers/tty/serial/xilinx_uartps.c | ||
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| ```console | ||
| shell$ patch -p1 < ../files/linux-5.4.47-armv7-fpga-xilinx_uartps.diff | ||
| shell$ git add --update | ||
| shell$ git commit -m "[fix] the problem that only the first port that xilinx_uartps.c found was the console." | ||
| ``` | ||
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| ##### Create tag and .version | ||
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| ```console | ||
| shell$ git tag -a v5.4.47-armv7-fpga -m "release v5.4.47-armv7-fpga" | ||
| shell$ echo 0 > .version | ||
| ``` | ||
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| #### Setup for Build | ||
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| ````console | ||
| shell$ cd linux-5.4.47-armv7-fpga | ||
| shell$ export ARCH=arm | ||
| shell$ export CROSS_COMPILE=arm-linux-gnueabihf- | ||
| shell$ make armv7_fpga_defconfig | ||
| ```` | ||
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| #### Build Linux Kernel and device tree | ||
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| ````console | ||
| shell$ export DTC_FLAGS=--symbols | ||
| shell$ make deb-pkg | ||
| shell$ make zynq-zybo.dtb | ||
| shell$ make zynq-zybo-z7.dtb | ||
| shell$ make zynq-pynqz1.dtb | ||
| shell$ make socfpga_cyclone5_de0_nano_soc.dtb | ||
| ```` | ||
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| #### Copy zImage and devicetree to target/zybo-zynq/boot/ | ||
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| ```console | ||
| shell$ cp arch/arm/boot/zImage ../target/zynq-zybo/boot/vmlinuz-5.4.47-armv7-fpga | ||
| shell$ cp arch/arm/boot/dts/zynq-zybo.dtb ../target/zynq-zybo/boot/devicetree-5.4.47-zynq-zybo.dtb | ||
| shell$ ./scripts/dtc/dtc -I dtb -O dts -o ../target/zynq-zybo/boot/devicetree-5.4.47-zynq-zybo.dts arch/arm/boot/dts/zynq-zybo.dtb | ||
| ``` | ||
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| #### Copy zImage and devicetree to tareget/zybo-zynq-z7/boot/ | ||
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| ```console | ||
| shell$ cp arch/arm/boot/zImage ../target/zynq-zybo-z7/boot/vmlinuz-5.4.47-armv7-fpga | ||
| shell$ cp arch/arm/boot/dts/zynq-zybo-z7.dtb ../target/zynq-zybo-z7/boot/devicetree-5.4.47-zynq-zybo-z7.dtb | ||
| shell$ ./scripts/dtc/dtc -I dtb -O dts --symbols -o ../target/zynq-zybo-z7/boot/devicetree-5.4.47-zynq-zybo-z7.dts arch/arm/boot/dts/zynq-zybo-z7.dtb | ||
| ``` | ||
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| #### Copy zImage and devicetree to target/zybo-pynqz1/boot/ | ||
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| ```console | ||
| shell$ cp arch/arm/boot/zImage ../target/zynq-pynqz1/boot/vmlinuz-5.4.47-armv7-fpga | ||
| shell$ cp arch/arm/boot/dts/zynq-pynqz1.dtb ../target/zynq-pynqz1/boot/devicetree-5.4.47-zynq-pynqz1.dtb | ||
| shell$ ./scripts/dtc/dtc -I dtb -O dts -o ../target/zynq-pynqz1/boot/devicetree-5.4.47-zynq-pynqz1.dts arch/arm/boot/dts/zynq-pynqz1.dtb | ||
| ``` | ||
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| #### Copy zImage and devicetree to target/de0-nano-soc/boot/ | ||
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| ```console | ||
| shell$ cp arch/arm/boot/zImage ../target/de0-nano-soc/boot/vmlinuz-5.4.47-armv7-fpga | ||
| shell$ cp arch/arm/boot/dts/socfpga_cyclone5_de0_nano_soc.dtb ../target/de0-nano-soc/boot/devicetree-5.4.47-socfpga.dtb | ||
| shell$ ./scripts/dtc/dtc -I dtb -O dts -o ../target/de0-nano-soc/boot/devicetree-5.4.47-socfpga.dts arch/arm/boot/dts/socfpga_cyclone5_de0_nano_soc.dtb | ||
| ``` | ||
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| #### Copy zImage and devicetree to tareget/de10-nano/boot/ | ||
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| ```console | ||
| shell$ cp arch/arm/boot/zImage ../target/de10-nano/boot/vmlinuz-5.4.47-armv7-fpga | ||
| shell$ cp arch/arm/boot/dts/socfpga_cyclone5_de0_nano_soc.dtb ../target/de10-nano/boot/devicetree-5.4.47-socfpga.dtb | ||
| shell$ ./scripts/dtc/dtc -I dtb -O dts --symbols -o ../target/de10-nano/boot/devicetree-5.4.47-socfpga.dts arch/arm/boot/dts/socfpga_cyclone5_de0_nano_soc.dtb | ||
| ``` | ||
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